Directed self-assembly of hybrid oxide/polymer core/shell nanowires with transport optimized morphology for photovoltaics

Shanju Zhang, Candice I. Pelligra, Gayatri Keskar, Jie Jiang, Pawel W. Majewski, André D. Taylor, Sohrab Ismail-Beigi, Lisa D. Pfefferle, Chinedum O. Osuji

Research output: Contribution to journalArticlepeer-review

Abstract

An entirely bottom-up approach for the preparation of liquid crystalline suspensions of core-shell nanowires for ordered bulk heterojunction photovoltaics is demonstrated. Side-on attachment of polythiophene derivatives to ZnO nanowires promotes a co-axial polymer backbone-nanowire arrangement which favors high hole mobility. This strategy offers structural control over multiple length scales and a viable means of fabricating ordered films over large areas.

Original languageEnglish (US)
Pages (from-to)82-87
Number of pages6
JournalAdvanced Materials
Volume24
Issue number1
DOIs
StatePublished - Jan 3 2012

Keywords

  • bulk alignment
  • conjugated polymers
  • core-shell nanowires
  • hybrid nanocomposites
  • lyotropic phases

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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